Bridgewater in 2008

1. Bridgewater Saw the Crisis Coming (Years in Advance)

Bridgewater is a macro fund, meaning it studies the global economy rather than picking individual stocks.

By 2006–2007, their models showed:

• The U.S. was in an unsustainable debt bubble

• Household credit growth was slowing

• Risk assets (stocks, credit) were priced for perfection

• A “deleveraging” (forced selling + lower credit creation) was imminent

They weren’t looking at individual mortgages like The Big Short guys, but rather system-level debt flows.

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 2. Main Trades That Made Money in 2008

A. Shorting Equities Globally

Bridgewater positioned against stock markets that were heavily dependent on credit growth.

Shorting methods they used included:

• Selling equity index futures

• Buying put options

• Taking net-short positions in global equity baskets

When equities crashed ~40–60%, these positions produced large gains.

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B. Shorting Credit & Risky Debt

Bridgewater shorted:

• Corporate credit

• High-yield bonds

• Asset-backed securities

They were not doing the same CDS trades as Michael Burry, but they were betting against credit spreads, which widened dramatically during the crisis.

As credit markets froze, spreads exploded → Bridgewater profited.

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C. Long Safe-Haven Assets (especially U.S. Treasuries)

A classic macro crisis move:

• Long U.S. Treasuries

• Long other developed sovereign bonds (Bunds, JGBs)

• Long cash-like instruments

When the Fed cut interest rates aggressively, Treasury prices surged → profitable.

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D. Betting on Falling Interest Rates

This was one of the biggest contributors to profits.

Bridgewater understood that:

 

A credit crisis → central banks slash rates → bond prices rise.

 

They held:

• Interest rate futures

• Long-duration Treasuries

• Swaps betting that rates would fall

As rates collapsed from ~5% to nearly 0%, Bridgewater made a killing.

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E. Long the U.S. Dollar

The USD tends to strengthen during global stress.

Bridgewater bet on:

• USD long / other currencies short

• USD appreciation driven by liquidity crunch

When investors worldwide flocked to dollars during the crisis, this paid off.

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 3. Their Secret Weapon: The “Deleveraging” Model

Ray Dalio famously wrote:

 

“Debt crises follow predictable patterns.”

 

Bridgewater built proprietary macro models that simulate:

• Debt cycles

• Credit contraction

• Liquidity events

• Policy responses

This allowed them to see the crisis as a mathematical inevitability, not a surprise.

Their positioning was systematic, not emotional.

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 4. What Bridgewater Returned in 2008

The flagship fund Pure Alpha returned approximately:

+9% in 2008

Many other macro funds lost money, and the S&P 500 was down –38%.

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 Why Bridgewater Succeeded When Others Failed

1. Macro perspective instead of individual securities

They didn’t need to know which mortgage bonds would fail — only that the credit system would contract.

2. Diversification and systematic trading

Bridgewater runs thousands of positions with:

• Automated risk limits

• Factor-based allocation

• Hedged exposures

Even if one trade misfired, others would compensate.

3. Deep understanding of debt cycles

Years before 2008, Dalio was studying:

• The 1929 crash

• Japan’s 1990 deleveraging

The similarities were clear to him.

1. How Bridgewater Models a “Beautiful Deleveraging”

Ray Dalio famously describes two types of deleveraging:

 Ugly Deleveraging

• Rapid default

• Collapsing asset prices

• Deflation

• Social and political crisis

• Bank failures
  → Example: 1929 U.S. Great Depression

 Beautiful Deleveraging

• Slow reduction of debt

• Central bank support

• Controlled inflation

• Money printing to offset falling credit

• Orderly balance-sheet repair
  → Example: U.S. post-2008 QE

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 Bridgewater’s Economic Machine Model

Bridgewater predicts deleveragings using a multi-factor global macro model that simulates:

A. Debt Service Burden

• Interest payments vs. income

• When this ratio becomes too high → crisis.

B. Total Credit Creation

• Credit growth is fuel for asset prices.

• When credit growth slows → demand collapses → asset prices fall.

C. Policy Response Functions

Bridgewater models what central banks must do when:

• Credit shrinks

• Spending shrinks

• Deflation appears

Most likely responses:

• Rate cuts

• QE (printing money to buy bonds)

• Fiscal support

• Dollar liquidity injections (swap lines)

Bridgewater essentially “predicts” central bank behavior because it’s economically necessary, not political.

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 Why Bridgewater Saw 2008 Coming

By 2006–2007 their models showed:

• Private debt growth slowing sharply

• Housing credit contraction

• Negative real income growth

• Over-levered banks

• Credit impulse turning negative

A crisis was mathematically inevitable, not a surprise.

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 2. How Bridgewater’s Pure Alpha Strategy Works

Pure Alpha is Bridgewater’s famous macro, multi-strategy risk-premia fund launched in 1991.

Here’s how it actually works:

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A. It trades markets, not individual companies

Pure Alpha trades:

• Equities (global)

• Bonds

• Currencies

• Commodities

• Precious metals

• Interest rate derivatives

• Volatility instruments

Across 150+ markets.

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 B. Systematic Models

Pure Alpha uses thousands of signals, including:

• Growth expectations

• Inflation expectations

• Risk premia

• Relative value spreads

• Carry / term structure

• Momentum

• Policy reaction functions

Everything is algorithmic.

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 C. Neutral to Stock Market Direction

Unlike most hedge funds, Pure Alpha doesn’t need the stock market to go up.

Instead it seeks uncorrelated returns, meaning:

• It can make money in recessions

• It can make money in booms

• It does not rely on stock picking

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 D. Diversification Across 1000+ Positions

Dalio calls this:

 

“The Holy Grail of investing.”
A large number of uncorrelated positions reduces risk dramatically.

 

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 3. The Exact Derivatives Bridgewater Used in 2008

Bridgewater’s 2008 gains came from large macro trades, not single-bet trades.

A. Interest Rate Derivatives

• Interest rate swaps (payer/receiver swaps)
  → They were receiver of fixed (betting rates would fall)

• Eurodollar futures
  → Bet on future rate cuts

• Treasury futures (TY, TU, US)
  → Long-duration U.S. Treasuries

These positions paid off massively when:

 Rates collapsed
 Central banks slashed interest rates
 Treasury prices surged

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B. Equity Index Shorts

Using:

• S&P 500 futures

• Euro Stoxx 50 futures

• Nikkei futures

• Other global index futures

• Equity put options (less common because of systematic models)

These increased in value as global equity markets dropped 40–60%.

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C. Credit Shorts

Not the same as Burry’s mortgage CDS.

Bridgewater shorted:

• Corporate credit

• High yield bonds

• Emerging market credit

• Credit index futures (iTraxx, CDX)

And likely entered:

• CDS index swaps (broad baskets, not single names)

When spreads widened dramatically, these paid off.

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D. Currency Trades

The USD tends to strengthen in a crisis.

Bridgewater was:

• Long USD

• Short Euro

• Short EM currencies

• Long Yen at certain points

As the world rushed into dollars, the dollar soared.

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E. Safe-Haven Commodities

• Gold

• Some inflation-linked assets (TIPS)

Gold initially dropped but later recovered — but Treasuries were the big winner.

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 4. Bridgewater vs. The Big Short (Michael Burry, Paulson, etc.)

 

 

Simplified:

Bridgewater bet “the whole world will deleverage.”
Burry bet “subprime mortgages will blow up.”

Both were right, but their strategies were totally different

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Quick Summary: How Bridgewater Made Money in 2008